package cn.ycl.system.other.study.leetCode;

/**
 * @author YT-007
 */
public class ListNode {
      public  int val;
      public  ListNode next;
     ListNode(int x,ListNode next1) {
          val = x;
          next = next1;
      }
      ListNode(int x){
         val = x;
         next = null;
      }
      ListNode(){

      }
  }